Alright, so first we'll have to get y on the other side
So
2x+y=-9
-y -y
+9 +9
2x+9=-y
Then divide is all by -1 so y is positive
-2x-9=y
Out of the six possible combinations shown in the tree, three of them have tails. Tails,1 tails,2 and tails,3 are the three possible solutions with tails. So the answer is C.
2.5 * 3.5 = 8.75 or 8 3/4 inches long
Answer:
adding
Step-by-step explanation:
adding each numbers on each edge will give a total of the number cubes
Answer:
B) 
Step-by-step explanation:
−x + 3 = 2x - 3
-2x - 2x
___________
−3x + 3 = −3
- 3 - 3
_________
−6 = −3x
__ ___
−3 −3
[Plug this back into both equations above to get the y-coordinate of 1]; 
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